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https://github.com/vcmi/vcmi.git
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435 lines
12 KiB
C++
435 lines
12 KiB
C++
/*
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* NetPacksLobbyServer.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "LobbyNetPackVisitors.h"
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#include "CVCMIServer.h"
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#include "CGameHandler.h"
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#include "../lib/StartInfo.h"
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#include "../lib/CRandomGenerator.h"
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#include "../lib/campaign/CampaignState.h"
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#include "../lib/entities/faction/CTownHandler.h"
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#include "../lib/entities/faction/CFaction.h"
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#include "../lib/serializer/Connection.h"
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#include "../lib/mapping/CMapInfo.h"
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#include "../lib/mapping/CMapHeader.h"
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void ClientPermissionsCheckerNetPackVisitor::visitForLobby(CPackForLobby & pack)
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{
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if(pack.isForServer())
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitForLobby(CPackForLobby & pack)
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{
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// Propagate options after every CLobbyPackToServer
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if(pack.isForServer())
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{
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srv.updateAndPropagateLobbyState();
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}
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
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{
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result = srv.getState() == EServerState::LOBBY;
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}
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void ApplyOnServerNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
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{
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auto compatibleVersion = std::min(pack.version, ESerializationVersion::CURRENT);
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pack.c->setSerializationVersion(compatibleVersion);
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srv.clientConnected(pack.c, pack.names, pack.uuid, pack.mode);
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// Server need to pass some data to newly connected client
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pack.clientId = pack.c->connectionID;
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pack.mode = srv.si->mode;
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pack.hostClientId = srv.hostClientId;
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pack.version = compatibleVersion;
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result = true;
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
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{
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// FIXME: we need to avoid senting something to client that not yet get answer for LobbyClientConnected
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// Until UUID set we only pass LobbyClientConnected to this client
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pack.c->uuid = pack.uuid;
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srv.updateAndPropagateLobbyState();
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// FIXME: what is this??? We do NOT support reconnection into ongoing game - at the very least queries and battles are NOT serialized
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// if(srv.getState() == EServerState::GAMEPLAY)
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// {
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// //immediately start game
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// std::unique_ptr<LobbyStartGame> startGameForReconnectedPlayer(new LobbyStartGame);
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// startGameForReconnectedPlayer->initializedStartInfo = srv.si;
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// startGameForReconnectedPlayer->initializedGameState = srv.gh->gameState();
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// startGameForReconnectedPlayer->clientId = pack.c->connectionID;
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// srv.announcePack(std::move(startGameForReconnectedPlayer));
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// }
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
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{
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if(pack.clientId != pack.c->connectionID)
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{
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result = false;
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return;
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}
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if(pack.shutdownServer)
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{
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if(!srv.wasStartedByClient())
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{
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result = false;
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return;
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}
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if(pack.c->connectionID != srv.hostClientId)
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{
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result = false;
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return;
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}
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}
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
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{
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srv.clientDisconnected(pack.c);
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result = true;
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
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{
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if(pack.shutdownServer)
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{
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logNetwork->info("Client requested shutdown, server will close itself...");
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srv.setState(EServerState::SHUTDOWN);
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return;
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}
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else if(srv.activeConnections.empty())
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{
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logNetwork->error("Last connection lost, server will close itself...");
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srv.setState(EServerState::SHUTDOWN);
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}
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else if(pack.c->connectionID == srv.hostClientId)
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{
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auto ph = std::make_unique<LobbyChangeHost>();
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auto newHost = srv.activeConnections.front();
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ph->newHostConnectionId = newHost->connectionID;
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srv.announcePack(std::move(ph));
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}
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srv.updateAndPropagateLobbyState();
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// if(srv.getState() != EServerState::SHUTDOWN && srv.remoteConnections.count(pack.c))
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// {
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// srv.remoteConnections -= pack.c;
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// srv.connectToRemote();
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// }
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyChatMessage(LobbyChatMessage & pack)
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{
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetMap(LobbySetMap & pack)
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{
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if(srv.getState() != EServerState::LOBBY)
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{
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result = false;
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return;
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}
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srv.updateStartInfoOnMapChange(pack.mapInfo, pack.mapGenOpts);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetCampaign(LobbySetCampaign & pack)
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{
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srv.si->mapname = pack.ourCampaign->getFilename();
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srv.si->mode = EStartMode::CAMPAIGN;
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srv.si->campState = pack.ourCampaign;
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srv.si->turnTimerInfo = TurnTimerInfo{};
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bool isCurrentMapConquerable = pack.ourCampaign->currentScenario() && pack.ourCampaign->isAvailable(*pack.ourCampaign->currentScenario());
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for(auto scenarioID : pack.ourCampaign->allScenarios())
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{
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if(pack.ourCampaign->isAvailable(scenarioID))
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{
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if(!isCurrentMapConquerable || (isCurrentMapConquerable && scenarioID == *pack.ourCampaign->currentScenario()))
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{
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srv.setCampaignMap(scenarioID);
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}
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}
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}
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetCampaignMap(LobbySetCampaignMap & pack)
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{
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srv.setCampaignMap(pack.mapId);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetCampaignBonus(LobbySetCampaignBonus & pack)
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{
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srv.setCampaignBonus(pack.bonusId);
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result = true;
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyGuiAction(LobbyGuiAction & pack)
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyRestartGame(LobbyRestartGame & pack)
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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void ApplyOnServerNetPackVisitor::visitLobbyRestartGame(LobbyRestartGame & pack)
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{
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srv.prepareToRestart();
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result = true;
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyRestartGame(LobbyRestartGame & pack)
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{
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for(const auto & connection : srv.activeConnections)
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connection->enterLobbyConnectionMode();
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyPrepareStartGame(LobbyPrepareStartGame & pack)
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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void ApplyOnServerNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
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{
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try
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{
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srv.verifyStateBeforeStart(true);
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}
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catch(...)
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{
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result = false;
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return;
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}
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// Server will prepare gamestate and we announce StartInfo to clients
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if(!srv.prepareToStartGame())
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{
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result = false;
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return;
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}
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pack.initializedStartInfo = std::make_shared<StartInfo>(*srv.gh->getStartInfo(true));
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pack.initializedGameState = srv.gh->gameState();
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result = true;
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
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{
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if(pack.clientId == -1) //do not restart game for single client only
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srv.startGameImmediately();
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else
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{
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for(const auto & connection : srv.activeConnections)
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{
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if(connection->connectionID == pack.clientId)
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{
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connection->enterGameplayConnectionMode(srv.gh->gameState());
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srv.reconnectPlayer(pack.clientId);
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}
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}
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}
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
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{
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result = srv.isClientHost(pack.c->connectionID);
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}
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void ApplyOnServerNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
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{
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result = true;
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}
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void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
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{
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auto result = srv.passHost(pack.newHostConnectionId);
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if(!result)
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{
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logGlobal->error("passHost returned false. What does it mean?");
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}
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyChangePlayerOption(LobbyChangePlayerOption & pack)
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{
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if(srv.isClientHost(pack.c->connectionID))
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{
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result = true;
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return;
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}
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if(vstd::contains(srv.getAllClientPlayers(pack.c->connectionID), pack.color))
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{
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result = true;
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return;
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}
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result = false;
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}
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void ApplyOnServerNetPackVisitor::visitLobbyChangePlayerOption(LobbyChangePlayerOption & pack)
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{
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switch(pack.what)
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{
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case LobbyChangePlayerOption::TOWN_ID:
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srv.optionSetCastle(pack.color, FactionID(pack.value));
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break;
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case LobbyChangePlayerOption::TOWN:
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srv.optionNextCastle(pack.color, pack.value);
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break;
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case LobbyChangePlayerOption::HERO_ID:
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srv.optionSetHero(pack.color, HeroTypeID(pack.value));
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break;
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case LobbyChangePlayerOption::HERO:
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srv.optionNextHero(pack.color, pack.value);
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break;
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case LobbyChangePlayerOption::BONUS_ID:
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srv.optionSetBonus(pack.color, PlayerStartingBonus(pack.value));
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break;
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case LobbyChangePlayerOption::BONUS:
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srv.optionNextBonus(pack.color, pack.value);
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break;
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}
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetPlayer(LobbySetPlayer & pack)
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{
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srv.setPlayer(pack.clickedColor);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetPlayerName(LobbySetPlayerName & pack)
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{
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srv.setPlayerName(pack.color, pack.name);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetPlayerHandicap(LobbySetPlayerHandicap & pack)
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{
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srv.setPlayerHandicap(pack.color, pack.handicap);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetSimturns(LobbySetSimturns & pack)
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{
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srv.si->simturnsInfo = pack.simturnsInfo;
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetTurnTime(LobbySetTurnTime & pack)
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{
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srv.si->turnTimerInfo = pack.turnTimerInfo;
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetExtraOptions(LobbySetExtraOptions & pack)
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{
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srv.si->extraOptionsInfo = pack.extraOptionsInfo;
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbySetDifficulty(LobbySetDifficulty & pack)
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{
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srv.si->difficulty = std::clamp<uint8_t>(pack.difficulty, 0, 4);
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbyForceSetPlayer(LobbyForceSetPlayer & pack)
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{
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srv.si->playerInfos[pack.targetPlayerColor].connectedPlayerIDs.insert(pack.targetConnectedPlayer);
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result = true;
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}
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void ClientPermissionsCheckerNetPackVisitor::visitLobbyPvPAction(LobbyPvPAction & pack)
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{
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result = true;
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}
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void ApplyOnServerNetPackVisitor::visitLobbyPvPAction(LobbyPvPAction & pack)
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{
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std::vector<FactionID> allowedTowns;
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for (auto const & factionID : VLC->townh->getDefaultAllowed())
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if(std::find(pack.bannedTowns.begin(), pack.bannedTowns.end(), factionID) == pack.bannedTowns.end())
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allowedTowns.push_back(factionID);
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std::vector<FactionID> randomFaction1;
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std::sample(allowedTowns.begin(), allowedTowns.end(), std::back_inserter(randomFaction1), 1, std::mt19937{std::random_device{}()});
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std::vector<FactionID> randomFaction2;
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std::sample(allowedTowns.begin(), allowedTowns.end(), std::back_inserter(randomFaction2), 1, std::mt19937{std::random_device{}()});
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MetaString txt;
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switch(pack.action) {
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case LobbyPvPAction::COIN:
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txt.appendTextID("vcmi.lobby.pvp.coin.hover");
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txt.appendRawString(" - " + std::to_string(std::rand()%2));
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srv.announceTxt(txt);
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break;
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case LobbyPvPAction::RANDOM_TOWN:
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if(!allowedTowns.size())
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break;
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txt.appendTextID("core.overview.3");
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txt.appendRawString(" - ");
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txt.appendTextID(VLC->townh->getById(randomFaction1[0])->getNameTextID());
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srv.announceTxt(txt);
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break;
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case LobbyPvPAction::RANDOM_TOWN_VS:
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if(!allowedTowns.size())
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break;
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txt.appendTextID("core.overview.3");
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txt.appendRawString(" - ");
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txt.appendTextID(VLC->townh->getById(randomFaction1[0])->getNameTextID());
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txt.appendRawString(" ");
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txt.appendTextID("vcmi.lobby.pvp.versus");
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txt.appendRawString(" ");
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txt.appendTextID(VLC->townh->getById(randomFaction2[0])->getNameTextID());
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srv.announceTxt(txt);
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break;
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}
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result = true;
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}
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